Description
Server-side request forgery (ssrf) in Azure MCP Server allows an authorized attacker to elevate privileges over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Azure MCP Server Tools 1.0.0 (npm) | 1.0.0 – < 1.0.2 | 1.0.2 |
| Microsoft | Azure MCP Server Tools 1.0.0 (NuGet) | 1.0.0 – < 1.0.2 | 1.0.2 |
| Microsoft | Azure MCP Server Tools 2.0.0 (npm) | 2.0.0-beta.1 – < 2.0.0-beta.17 | 2.0.0-beta.17 |
| Microsoft | Azure MCP Server Tools 2.0.0 (NuGet) | 2.0.0-beta.1 – < 2.0.0-beta.17 | 2.0.0-beta.17 |
| Microsoft | Azure MCP Server Tools 2.0.0 (PyPi) | 2.0.0-beta.1 – < 2.0.0-beta.17 | 2.0.0-beta.17 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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j-dahl7/mcp-attack-detection-sentinel ★ 2 · Mar 17, 2026
Sentinel detection lab for MCP attack chains: CVE-2026-26118 SSRF token theft, tool poisoning, cross-server exfiltration, identity post-exploitation. Maps to OWASP Agentic Top 10. 5 analytics rules, …
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | @azure/mcp | >= 2.0.0-beta.1, < 2.0.0-beta.17 | 2.0.0-beta.17 | GHSA-hhfx-wfvq-7g9c |
| npm | @azure/mcp | >= 1.0.0, < 1.0.2 | 1.0.2 | GHSA-hhfx-wfvq-7g9c |
| NuGet | Azure.Mcp | >= 2.0.0-beta.1, < 2.0.0-beta.17 | 2.0.0-beta.17 | GHSA-hhfx-wfvq-7g9c |
| NuGet | Azure.Mcp | >= 1.0.0, < 1.0.2 | 1.0.2 | GHSA-hhfx-wfvq-7g9c |
| PyPI | msmcp-azure | >= 2.0.0b14, < 2.0.0b17 | 2.0.0b17 | PYSEC-2026-2669 |
Advisories 3
- MSRC-CVE-2026-26118 Azure MCP Server Tools Elevation of Privilege Vulnerability Microsoft Security Response Center · Mar 20, 2026
- WID-SEC-2026-0655 Microsoft Azure Komponenten: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 10, 2026
- NCSC-2026-0082 Kwetsbaarheden verholpen in Microsoft Azure NCSC-NL (Netherlands) · Mar 10, 2026
References
- Azure MCP Server Tools Elevation of Privilege Vulnerability vendor-advisory patch